<template>
<swiper>
  <swiper-item v-for="(item,index) in banners" :key="index">
    <a :href="item.link">
      <img :src="item.image" alt @load="imageLoad" />
    </a>
  </swiper-item>
</swiper>
</template>

<script>
import {
  Swiper,
  SwiperItem
} from 'components/common/swiper'
export default {
  name: 'HomeSwiper',
  props: {
    banners: {
      type: Array,
      default () {
        return []
      },
    },
  },
  components: {
    Swiper,
    SwiperItem,
  },
  data() {
    return {
      isLoad: false,
    }
  },
  methods: {
    imageLoad() {
      //console.log('轮播图加载完成')
      //加载完了，用$emit传播出去
      //if操作实现了发射了一次---原本是四次，四张轮播图
      if (!this.isLoad) {
        this.$emit('swiperImageLoad')
        this.isLoad = true
      }
    },
  },
}
</script>
